Esempio n. 1
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def process(udp_clients):
    client_ring = NodeRing(udp_clients)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        response = client_ring.get_node(key).send(data_bytes)
        print(response)
        hash_codes.add(str(response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        response = client_ring.get_node(key).send(data_bytes)
        print(response)

    # DELETE all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_DELETE(hc)
        response = client_ring.get_node(key).send(data_bytes)
        print(response)

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        response = client_ring.get_node(key).send(data_bytes)
        print(response)
Esempio n. 2
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def process(udp_clients):
    global clients
    clients = udp_clients
    hash_codes = set()

    # PUT all users.
    print("begin to put users")
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        response = put(key, u, data_bytes)
        hash_codes.add(response)
        print(f"PUT response: {response}")
        # print(response)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # TODO: PART I
    # GET all users.
    print("begin to get users")
    for hc in hash_codes:
        data_bytes, key = serialize_GET(hc)
        response = get(key, data_bytes)
        # debug code, check response
        # resStr = deserialize(response)
        print(f"GET response: {response}")

    # DELETE all users.
    print("begin to delete users")
    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(hc)
        response = delete(key, data_bytes)
        # debug code, check response

        print(f"DELETE response: {response}")

    # DELETE all users.
    print("begin to delete users2")
    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(hc)
        response = delete(key, data_bytes)
        # debug code, check response
        # resStr = deserialize(response)
        print(f"DELETE response2: {response}")

    # GET all users again.
    print("begin to get users2")
    for hc in hash_codes:
        data_bytes, key = serialize_GET(hc)
        response = get(key, data_bytes)
        # debug code, check response
        # resStr = deserialize(response)
        print(f"GET response2: {response}")
Esempio n. 3
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def get(hc, udp_clients):
    if BLOOM_FILTER.is_member(hc):
        print(hc)
        data_bytes, key = serialize_GET(hc)
        fix_me_server_id = NODE_RING.get_node(key)
        response = udp_clients[fix_me_server_id].send(data_bytes)
        return response
def process(udp_clients):
    udp_client = udp_clients
    hash_codes = set()
    client_ring = NodeRing(udp_client)

    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        response = put(key, data_bytes, client_ring)
        hash_codes.add(response)
    print(hash_codes)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    for hc in hash_codes:
        # print(hc)
        data_bytes, key = serialize_GET(hc)
        response = get(key, data_bytes, client_ring)
        # print(response)

    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(hc)
        print("keys from DELETE OPERATAIONS:", data_bytes, key)
        response = delete(key, data_bytes, client_ring)
        print(response)
Esempio n. 5
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def process(udp_clients):
    rhw_ring = RhwNodeRing(NODES)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        server = rhw_ring.get_node(key)
        rhw_server_id = NODES.index(server)
        response = udp_clients[rhw_server_id].send(data_bytes)
        hash_codes.add(response)
        print(response)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        data_bytes, key = serialize_GET(hc)
        key = key.decode("utf-8")
        server = rhw_ring.get_node(key)
        rhw_server_id = NODES.index(server)
        response = udp_clients[rhw_server_id].send(data_bytes)
        #print(deserialize(response))
        print(response)

    # DELETE all users
    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(hc)
        key = key.decode("utf-8")
        server = rhw_ring.get_node(key)
        rhw_server_id = NODES.index(server)
        response = udp_clients[rhw_server_id].send(data_bytes)
        print(response)
Esempio n. 6
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def process(udp_clients):
    client_ring = NodeRing(NODES)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        put(key, u)
        server = client_ring.get_node(key)
        response = udp_clients.send(data_bytes, server)
        print(response)
        hash_codes.add(str(response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        response = get(key)
        if not (response):
            server = client_ring.get_node(key)
            response = udp_clients.send(data_bytes, server)
        print(response)
Esempio n. 7
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def process(udp_clients):
    client_ring = NodeRing(udp_clients)
    hash_codes = set()
    
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        response = put([key, data_bytes, client_ring])
        print(response)
        hash_codes.add(str(response.decode()))


    print(f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}")
    
    # GET all users
    for u in USERS:
        data_bytes, key = serialize_GET(u)
        response = get([key, data_bytes, client_ring])
        print(response)

    # DELETE all users.
    for u in USERS:
        data_bytes, key = serialize_DELETE(u)
        response = delete([key, data_bytes, client_ring])
        print(response)
def process(udp_clients):
    ring = NodeRing(nodes=NODES)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        # TODO: PART II - Instead of going to server 0, use Naive hashing to split data into multiple servers
        #fix_me_server_id = 0
        fix_me_server_id = NODES.index(ring.get_node(key))
        print(f"Server id: {fix_me_server_id}")
        response = udp_clients[fix_me_server_id].send(data_bytes)
        hash_codes.add(response)
        print(response)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # TODO: PART I
    # GET all users.
    for hc in hash_codes:
        print(f"GET:{hc}")
        data_bytes, key = serialize_GET(hc)
        fix_me_server_id = NODES.index(ring.get_node(key))
        response = udp_clients[fix_me_server_id].send(data_bytes)
        #print(deserialize(response))
        print(response)

        # DELETE all users
    for hc in hash_codes:
        # print(hc)
        data_bytes, key = serialize_DELETE(hc)
        fix_me_server_id = NODES.index(ring.get_node(key))
        response = udp_clients[fix_me_server_id].send(data_bytes)
        print(response)
Esempio n. 9
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def process(udp_clients):
    # client_ring = NodeRing(udp_clients)

    # Consistent hash
    client_ring = ConsistentHashNodeRing(udp_clients, 4)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        response = client_ring.get_node(key).send(data_bytes)

        # RHW hash
        # response = client_ring.get_node_RHW_hash(key).send(data_bytes)
        print(response)
        hash_codes.add(str(response.decode()))


    print(f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}")
    
    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        response = client_ring.get_node(key).send(data_bytes)

        # RHW hash
        # response = client_ring.get_node_RHW_hash(key).send(data_bytes)
        print(response)
def process(udp_clients):
    RH_ring = RHRing(NODES)
    hash_codes = set()

    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        server_index = RH_ring.get_node(key)
        response = udp_clients[server_index].put(key, data_bytes)
        hash_codes.add(response.decode())
        print(response.decode())

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        server_index = RH_ring.get_node(key)
        response = udp_clients[server_index].get_request(hc, data_bytes)
        print(response)

    # Delete all Users
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_DELETE(hc)
        server_index = RH_ring.get_node(key)
        response = udp_clients[server_index].delete(key, data_bytes)
        print(response.decode())
def process():
    node_ring = NodeRing()
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        server, replication_server = node_ring.get_node(key)
        response = UDPClient().send(data_bytes, server)
        replication_response = UDPClient().send(data_bytes, replication_server)
        print(response)
        print(replication_response)
        hash_codes.add(str(response.decode()))
        hash_codes.add(str(replication_response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        server, replication_server = node_ring.get_node(key)
        response = UDPClient().send(data_bytes, server)
        print(response)
def process(udp_clients):
    client_ring = NodeRing(udp_clients)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        get_ch_node = client_ring.get_ch_node(key)
        response = get_ch_node.send(data_bytes)
        replica = replica_map[get_ch_node]
        print("Replicating in next node")
        replica.send(data_bytes)
        print(response)
        hash_codes.add(str(response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        get_ch_node = client_ring.get_ch_node(key)
        response = get_ch_node.send(data_bytes)
        replica = replica_map[get_ch_node]
        print("Response from corresponding node")
        print(response)
        print("Getting response from replica node")
        rep_response = replica.send(data_bytes)
        print(rep_response)
Esempio n. 13
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def process(udp_clients):
    hash_codes = set()

    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        put(hash_codes, data_bytes, key)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    for hc in hash_codes:
        data_bytes, key = serialize_GET(u)
        print('ley: ' + str(key))
        hash_code = hashlib.md5(str(key).encode())
        hash_val = hash_code.hexdigest()
        print("hash val: " + str(hash_val))
        get(hash_val, data_bytes, hash_codes)

    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(u)
        delete(hc, data_bytes, key)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    print("Done!")
def process(udp_clients):
    ch_ring = ChNodeRing(NODES)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        server = ch_ring.get_node(key)
        ch_server_id = NODES.index(ast.literal_eval(
            server))  #ast.literal to convert string output to dict element
        response = udp_clients[ch_server_id].send(data_bytes)
        hash_codes.add(response)
        print(response)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        data_bytes, key = serialize_GET(hc)
        key = key.decode("utf-8")
        server = ch_ring.get_node(key)
        ch_server_id = NODES.index(ast.literal_eval(server))
        response = udp_clients[ch_server_id].send(data_bytes)
        #print(deserialize(response))
        print(response)

    # DELETE all users
    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(hc)
        key = key.decode("utf-8")
        server = ch_ring.get_node(key)
        ch_server_id = NODES.index(ast.literal_eval(server))
        response = udp_clients[ch_server_id].send(data_bytes)
        print(response)
Esempio n. 15
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        def wrapper(*args2):
            three_params = True
            keys = args2[0]
            try:
                data_bytes = args2[1]
                hash_code = args2[2]

            except:
                print("one params passed")
                three_params = False

            func = args[0]
            data_bytes, key = serialize_GET(keys)
            data = self.get_lru_cache(key)

            if (data != False):
                print("Local LRU Cache Response: " + str(data))
                self.add_to_lru_cache(key)
                return data
            else:
                res = None
                if (three_params):
                    print("key: " + str(key))
                    print("self.data_bytes: " + str(data_bytes))
                    print("self.hashcode: " + str(hash_code))
                    res = func(keys, data_bytes, hash_code)
                else:
                    res = func(keys)
                self.add_to_lru_cache(key)
                return res

            return func(key)
def process(udp_clients):
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        ring = NodeRing(NODES)
        server_index = NODES.index(ring.get_node(key))
        response = udp_clients[server_index].put(key, data_bytes)
        hash_codes.add(response.decode())
        print(response)

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        ring = NodeRing(NODES)
        server_index = NODES.index(ring.get_node(key))
        response = udp_clients[server_index].get_request(hc, data_bytes)
        print(response)

    # Delete all Users
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_DELETE(hc)
        ring = NodeRing(NODES)
        server_index = NODES.index(ring.get_node(key))
        response = udp_clients[server_index].delete(key, data_bytes)
        print(response)
def get(client_ring, hash_codes):
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)

        response = client_ring.get_node(key).send(data_bytes)
        print(response)
Esempio n. 18
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def process(udp_clients):
    # create client ring of the udp client, actually the server sockets they connect to
    client_ring = NodeRing(udp_clients)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        # serialize the user data
        data_bytes, key = serialize_PUT(u)
        # first find out the nodes by the key, then send the data by that client
        response = client_ring.get_node(key).send(data_bytes)
        print(response)
        # add the response,
        hash_codes.add(str(response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        data_bytes, key = serialize_GET(hc)
        response = client_ring.get_node(key).send(data_bytes)
        print(response)

    # delete
    for hc in hash_codes:
        data_bytes, key = serialize_DELETE(hc)
        response = client_ring.get_node(key).send(data_bytes)
        print(response)
def process(udp_clients):
    client_ring = NodeRing(udp_clients)
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        #print("User key after serialization : " + key)
        dest_nodes = client_ring.get_node(key)
        for node in dest_nodes:
            response = node.send(data_bytes)
        print(response)
        hash_codes.add(str(response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        dest_nodes = client_ring.get_node(key)
        for node in dest_nodes:
            response = node.send(data_bytes)
            if response:
                print("Retrieved data from : ", node.port)
                break
        print(response)
Esempio n. 20
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def process(udp_clients):
    hash_codes = set()
    # PUT all users.
    print('====PUT====')
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        fix_me_server_id = NODE_RING.rendezvous_hash_node(key)
        response = udp_clients[fix_me_server_id].send(data_bytes)
        hash_codes.add(response.decode())
        print(response)

    print(f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}")
    
    # GET all users.
    print('====GET====')
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        fix_me_server_id = NODE_RING.rendezvous_hash_node(key)
        response = udp_clients[fix_me_server_id].send(data_bytes)
        print(response)

    # DELETE all users
    print("====DELETE====")
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_DELETE(hc)
        fix_me_server_id = NODE_RING.rendezvous_hash_node(key)
        response = udp_clients[fix_me_server_id].send(data_bytes)
        print(response)
Esempio n. 21
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def process(udp_clients):
    hash_codes = set()
    # PUT all users.
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        nodes = get_node(key)
        for i in range(len(nodes)):
            node = nodes[i]
            print(
                f"Sending data to= Physical Node : {node.physical_node}, Virtual Node : {node.virtual_node}"
            )
            response = node.send(data_bytes)
            print(response)
        print("\n")
        hash_codes.add(str(response.decode()))

    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}\n"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        node = get_node(key)[0]
        print(
            f"Getting data from= Physical Node : {node.physical_node}, Virtual Node : {node.virtual_node}"
        )
        response = node.send(data_bytes)
        print(response)
        print("\n")
def process(udp_clients):
    hash_ring = HashRing(2, 64, udp_clients)
    hash_ring.assign_nodes()
    hash_codes = set()
    # PUT all users.
    i = 0
    for u in USERS:
        data_bytes, key = serialize_PUT(u)
        nodes_to_send = hash_ring.get_node(key)
        for n in nodes_to_send:
            resp = n.send(data_bytes)
            if i != 0:
                print(f' REPLICA PUT Response from server {n.port} is {resp}')
            else:
                print(f' ORIGINAL PUT Response from server {n.port} is {resp}')
            hash_codes.add(str(resp.decode()))
            i += 1
    print(
        f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
    )

    # GET all users.
    for hc in hash_codes:
        print(hc)
        data_bytes, key = serialize_GET(hc)
        nodes_to_send = hash_ring.get_node(key)
        i = 0
        for n in nodes_to_send:
            resp = n.send(data_bytes)
            if i != 0:
                print(f'REPLICA GET Response from server {n.port} is {resp}')
            else:
                print(f'ORIGINAL GET Response from server {n.port} is {resp}')
            i += 1
def get(userHashcode, client_ring):
    # only send GET if user is in bloom filter
    if(bloomfilter.is_member(userHashcode)):
        data_bytes, key = serialize_GET(userHashcode)
        response = client_ring.get_node(key).send(data_bytes)
        return response
    else:
        return None
def get(udp_clients,id):
    client_ring = NodeRing(udp_clients)
    data_bytes, key= serialize_GET(id)
    global bloomfilter
    if not bloomfilter.is_member(key):
         print("Not found in bloom filter")
         return None
    response = client_ring.get_node(key).send(data_bytes)
    return response
 def getAll(self, udp_clients):
     for hc in hash_codes:
         data_bytes, key = serialize_GET(hc)
         ring = NodeRing(NODES)
         fix_me_server_id = NODES.index(ring.get_node(key))
         print(data_bytes)
         response = udp_clients[fix_me_server_id].send(data_bytes)
         print(f"Server GETALL--->{response}")
     return response
    def get(self, key):
        client_ring = NodeRing(NODES)
        data_bytes, key = serialize_GET(key)
        server = client_ring.get_node(key)
        udp_client.host = server['host']
        udp_client.port = server['port']
        response = udp_client.send(data_bytes)

        return response
Esempio n. 27
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def get(key):
    if (bloomfilter.is_member(key)):
        print("Found in bloom filter, fetching from server")
        data_bytes, key1 = serialize_GET(key)
        client_ring = NodeRing(clients)
        response = client_ring.get_node(key1).send(data_bytes)
        #print(response)
        return response
    else:
        return None
Esempio n. 28
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def get_users(hc):
    myOb = NodeRing(NODES)
    data_bytes, key = serialize_GET(hc)
    print(f'In GET {data_bytes},{key}')
    if bf.is_member(key):
        node = myOb.get_node(key)
        response = UDPClient(node['host'], node['port']).send(data_bytes)
    else:
        print("Data not in bloom filter and probably not in server")
    return response
 def get(self, udp_clients, key):
     k = key.encode()
     for hc in hash_codes:
         if (hc == k):
             data_bytes, key = serialize_GET(hc)
             ring = NodeRing(NODES)
             fix_me_server_id = NODES.index(ring.get_node(key))
             response = udp_clients[fix_me_server_id].send(data_bytes)
             print(f"Server GET--->{response}")
             return response
     return None
Esempio n. 30
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def get(key):
    if (bloom_f.is_member(key)):
        data_bytes, key_ser = serialize_GET(key.encode())
        print(f"*** GET from SERVER: ***")
        fix_me_server_id = NODES.index(ring.get_node(key_ser))
        response = clients[fix_me_server_id].send(data_bytes)
        # print(deserialize(response))
        #print(response)
        return response
    else:
        print("### KEY FOR GET NOT FOUND IN BLOOM FILTER ###")
        return None